Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap moi con snippets" » "nhap moi code snippets", "nhap mon con snippets", "nha moi con snippets", "nhat moi con snippets", "nhap moi cong snippets", "nhap moi co snippets", "nhap mot con snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhap moi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap moi con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap moi con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap moi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.